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Marquise|Natural|GIA

1.70ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 7563048472

Certificate GIA 7563048472

Diamond specifications and retailer prices

From $17,870 AUD
CA$17,394 CAD
As of November 2, 2026
Save $11,971 AUD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $29,841 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7563048472. Listed at 6 retailers as of November 2, 2026, with prices from $17,870 to $29,841, a $11,971 spread on the same certified stone. MOH London lists it at $29,841. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.70
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7563048472
Dimensions13.79 × 5.91 × 3.64 mm
L/W Ratio2.33
Girdle conditionFaceted
Culet sizeNone
Top View
13.79 mm5.91 mm1.70 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7563048472
Side View
Table 62.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $29,841 AUD|Low: $17,870 AUD|High: $30,202 AUD|Avg: $22,404 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 5$17,870 AUD
Retailer 4$19,349 AUD
Retailer 2$20,203 AUD
Retailer 6$22,160 AUD
Retailer 3$24,069 AUD
MOH London$29,841 AUD

42 data points across 6 retailers

6 retailers$17,870 AUD to $29,841 AUD

B+
Cheapest Retailer
-
$17,870 AUD
CA$17,394 CAD
B+
Retailer 2
-
$19,349 AUD
$13,560 USD
View
B+
Retailer 3
-
$20,203 AUD
£11,149 GBP
View
B
Retailer 4
-
$22,160 AUD
$15,530 USD
View
B
Retailer 5
-
$24,069 AUD
€16,065 EUR
View
Most Expensive
B
MOH London
E0471A06B · Nov 2
$29,841 AUD
£16,467 GBP
View
5 more retailers have this diamond
Prices start from $17,870 AUDSave up to $11,971 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.70ct Marquise
$17,870 AUD